Frontmatter -- Acknowledgments -- Contents -- Foreword -- 1 SLA and Individual Differences: An Overview -- Part I: Age, Intelligence, Aptitude and Affect -- 2 The Age Factor and the Critical Period Hypothesis -- 3 Intelligence -- 4 Foreign Language Aptitude -- 5 Language Aptitude, Psychological and Affective Factors -- Part II: Memory, Attention and Noticing -- 6 Phonological and Executive Working Memory -- 7 Consciousness, Attention and Noticing -- Part III: Learning Strategies, Metacognition and Self- Regulation -- 8 Language Learning Strategies -- 9 Metacognition -- 10 Self-Regulation -- Part IV: L2 Skills, Learning Difficulties, and Anxiety -- 11 L2 Reading and Writing Skills -- 12 L2 Learning Difficulties and Disabilities -- 13 L2 Anxiety: An Affective Factor or a Linguistic Variable? -- Epilogue -- 14 Individual Differences in SLA-Looking Back and Looking Forward -- Author Profiles -- Index